/*!
 * SuperSlide v2.1 
 * 轻松解决网站大部分特效展示问题
 * 详尽信息请看官网：http://www.SuperSlide2.com/
 *
 * Copyright 2011-2013, 大话主席
 *
 * 请尊重原创，保留头部版权
 * 在保留版权的前提下可应用于个人或商业用途

 */

(function ($) {
    $.fn.slide = function (options) {
        $.fn.slide.defaults = {
            type: "slide",
            effect: "fade",
            autoPlay: false,
            delayTime: 500,
            interTime: 2500,
            triggerTime: 150,
            defaultIndex: 0,
            titCell: ".hd li",
            mainCell: ".bd",
            targetCell: null,
            trigger: "mouseover",
            scroll: 1,
            vis: 1,
            titOnClassName: "on",
            autoPage: false,
            prevCell: ".prev",
            nextCell: ".next",
            pageStateCell: ".pageState",
            opp: false,
            pnLoop: true,
            easing: "swing",
            startFun: null,
            endFun: null,
            switchLoad: null,

            playStateCell: ".playState",
            mouseOverStop: true,
            defaultPlay: true,
            returnDefault: false
        };

        return this.each(function () {

            var opts = $.extend({}, $.fn.slide.defaults, options);
            var slider = $(this);
            var effect = opts.effect;
            var prevBtn = $(opts.prevCell, slider);
            var nextBtn = $(opts.nextCell, slider);
            var pageState = $(opts.pageStateCell, slider);
            var playState = $(opts.playStateCell, slider);

            var navObj = $(opts.titCell, slider);//导航子元素结合
            var navObjSize = navObj.size();
            var conBox = $(opts.mainCell, slider);//内容元素父层对象
            var conBoxSize = conBox.children().size();
            var sLoad = opts.switchLoad;
            var tarObj = $(opts.targetCell, slider);

            /*字符串转换*/
            var index = parseInt(opts.defaultIndex);
            var delayTime = parseInt(opts.delayTime);
            var interTime = parseInt(opts.interTime);
            var triggerTime = parseInt(opts.triggerTime);
            var scroll = parseInt(opts.scroll);
            var vis = parseInt(opts.vis);
            var autoPlay = (opts.autoPlay == "false" || opts.autoPlay == false) ? false : true;
            var opp = (opts.opp == "false" || opts.opp == false) ? false : true;
            var autoPage = (opts.autoPage == "false" || opts.autoPage == false) ? false : true;
            var pnLoop = (opts.pnLoop == "false" || opts.pnLoop == false) ? false : true;
            var mouseOverStop = (opts.mouseOverStop == "false" || opts.mouseOverStop == false) ? false : true;
            var defaultPlay = (opts.defaultPlay == "false" || opts.defaultPlay == false) ? false : true;
            var returnDefault = (opts.returnDefault == "false" || opts.returnDefault == false) ? false : true;

            var slideH = 0;
            var slideW = 0;
            var selfW = 0;
            var selfH = 0;
            var easing = opts.easing;
            var inter = null;//autoPlay-setInterval
            var mst = null;//trigger-setTimeout
            var rtnST = null;//returnDefault-setTimeout
            var titOn = opts.titOnClassName;

            var onIndex = navObj.index(slider.find("." + titOn));
            var oldIndex = index = defaultIndex = onIndex == -1 ? index : onIndex;


            var _ind = index;
            var cloneNum = conBoxSize >= vis ? ( conBoxSize % scroll != 0 ? conBoxSize % scroll : scroll) : 0;
            var _tar;
            var isMarq = effect == "leftMarquee" || effect == "topMarquee" ? true : false;

            var doStartFun = function () {
                if ($.isFunction(opts.startFun)) {
                    opts.startFun(index, navObjSize, slider, $(opts.titCell, slider), conBox, tarObj, prevBtn, nextBtn)
                }
            }
            var doEndFun = function () {
                if ($.isFunction(opts.endFun)) {
                    opts.endFun(index, navObjSize, slider, $(opts.titCell, slider), conBox, tarObj, prevBtn, nextBtn)
                }
            }
            var resetOn = function () {
                navObj.removeClass(titOn);
                if (defaultPlay) navObj.eq(defaultIndex).addClass(titOn)
            }


            //单独处理菜单效果
            if (opts.type == "menu") {

                if (defaultPlay) {
                    navObj.removeClass(titOn).eq(index).addClass(titOn);
                }
                navObj.hover(
                    function () {
                        _tar = $(this).find(opts.targetCell);
                        var hoverInd = navObj.index($(this));

                        mst = setTimeout(function () {
                            index = hoverInd;
                            navObj.removeClass(titOn).eq(index).addClass(titOn);
                            doStartFun();
                            switch (effect) {
                                case "fade":
                                    _tar.stop(true, true).animate({opacity: "show"}, delayTime, easing, doEndFun);
                                    break;
                                case "slideDown":
                                    _tar.stop(true, true).animate({height: "show"}, delayTime, easing, doEndFun);
                                    break;
                            }
                        }, opts.triggerTime);

                    }, function () {
                        clearTimeout(mst);
                        switch (effect) {
                            case "fade":
                                _tar.animate({opacity: "hide"}, delayTime, easing);
                                break;
                            case "slideDown":
                                _tar.animate({height: "hide"}, delayTime, easing);
                                break;
                        }
                    }
                );

                if (returnDefault) {
                    slider.hover(function () {
                        clearTimeout(rtnST);
                    }, function () {
                        rtnST = setTimeout(resetOn, delayTime);
                    });
                }


                return;
            }


            //处理分页
            if (navObjSize == 0)navObjSize = conBoxSize;//只有左右按钮
            if (isMarq) navObjSize = 2;
            if (autoPage) {
                if (conBoxSize >= vis) {
                    if (effect == "leftLoop" || effect == "topLoop") {
                        navObjSize = conBoxSize % scroll != 0 ? (conBoxSize / scroll ^ 0) + 1 : conBoxSize / scroll;
                    }
                    else {
                        var tempS = conBoxSize - vis;
                        navObjSize = 1 + parseInt(tempS % scroll != 0 ? (tempS / scroll + 1) : (tempS / scroll));
                        if (navObjSize <= 0)navObjSize = 1;
                    }
                }
                else {
                    navObjSize = 1
                }

                navObj.html("");
                var str = "";

                if (opts.autoPage == true || opts.autoPage == "true") {
                    for (var i = 0; i < navObjSize; i++) {
                        str += "<li>" + (i + 1) + "</li>"
                    }
                }
                else {
                    for (var i = 0; i < navObjSize; i++) {
                        str += opts.autoPage.replace("$", (i + 1))
                    }
                }
                navObj.html(str);

                var navObj = navObj.children();//重置导航子元素对象
            }


            if (conBoxSize >= vis) { //当内容个数少于可视个数，不执行效果。
                conBox.children().each(function () { //取最大值
                    if ($(this).width() > selfW) {
                        selfW = $(this).width();
                        slideW = $(this).outerWidth(true);
                    }
                    if ($(this).height() > selfH) {
                        selfH = $(this).height();
                        slideH = $(this).outerHeight(true);
                    }
                });

                var _chr = conBox.children();
                var cloneEle = function () {
                    for (var i = 0; i < vis; i++) {
                        _chr.eq(i).clone().addClass("clone").appendTo(conBox);
                    }
                    for (var i = 0; i < cloneNum; i++) {
                        _chr.eq(conBoxSize - i - 1).clone().addClass("clone").prependTo(conBox);
                    }
                }

                switch (effect) {
                    case "fold":
                        conBox.css({
                            "position": "relative",
                            "width": slideW,
                            "height": slideH
                        }).children().css({
                            "position": "absolute",
                            "width": selfW,
                            "left": 0,
                            "top": 0,
                            "display": "none"
                        });
                        break;
                    case "top":
                        conBox.wrap('<div class="tempWrap" style="overflow:hidden; position:relative; height:' + vis * slideH + 'px"></div>').css({
                            "top": -(index * scroll) * slideH,
                            "position": "relative",
                            "padding": "0",
                            "margin": "0"
                        }).children().css({"height": selfH});
                        break;
                    case "left":
                        conBox.wrap('<div class="tempWrap" style="overflow:hidden; position:relative; width:' + vis * slideW + 'px"></div>').css({
                            "width": conBoxSize * slideW,
                            "left": -(index * scroll) * slideW,
                            "position": "relative",
                            "overflow": "hidden",
                            "padding": "0",
                            "margin": "0"
                        }).children().css({"float": "left", "width": selfW});
                        break;
                    case "leftLoop":
                    case "leftMarquee":
                        cloneEle();
                        conBox.wrap('<div class="tempWrap" style="overflow:hidden; position:relative; width:' + vis * slideW + 'px"></div>').css({
                            "width": (conBoxSize + vis + cloneNum) * slideW,
                            "position": "relative",
                            "overflow": "hidden",
                            "padding": "0",
                            "margin": "0",
                            "left": -(cloneNum + index * scroll) * slideW
                        }).children().css({"float": "left", "width": selfW});
                        break;
                    case "topLoop":
                    case "topMarquee":
                        cloneEle();
                        conBox.wrap('<div class="tempWrap" style="overflow:hidden; position:relative; height:' + vis * slideH + 'px"></div>').css({
                            "height": (conBoxSize + vis + cloneNum) * slideH,
                            "position": "relative",
                            "padding": "0",
                            "margin": "0",
                            "top": -(cloneNum + index * scroll) * slideH
                        }).children().css({"height": selfH});
                        break;
                }
            }


            //针对leftLoop、topLoop的滚动个数
            var scrollNum = function (ind) {
                var _tempCs = ind * scroll;
                if (ind == navObjSize) {
                    _tempCs = conBoxSize;
                } else if (ind == -1 && conBoxSize % scroll != 0) {
                    _tempCs = -conBoxSize % scroll;
                }
                return _tempCs;
            }

            //切换加载
            var doSwitchLoad = function (objs) {

                var changeImg = function (t) {
                    for (var i = t; i < ( vis + t); i++) {
                        objs.eq(i).find("img[" + sLoad + "]").each(function () {
                            var _this = $(this);
                            _this.attr("src", _this.attr(sLoad)).removeAttr(sLoad);
                            if (conBox.find(".clone")[0]) { //如果存在.clone
                                var chir = conBox.children();
                                for (var j = 0; j < chir.size(); j++) {
                                    chir.eq(j).find("img[" + sLoad + "]").each(function () {
                                        if ($(this).attr(sLoad) == _this.attr("src")) $(this).attr("src", $(this).attr(sLoad)).removeAttr(sLoad)
                                    })
                                }
                            }
                        })
                    }
                }

                switch (effect) {
                    case "fade":
                    case "fold":
                    case "top":
                    case "left":
                    case "slideDown":
                        changeImg(index * scroll);
                        break;
                    case "leftLoop":
                    case "topLoop":
                        changeImg(cloneNum + scrollNum(_ind));
                        break;
                    case "leftMarquee":
                    case "topMarquee":
                        var curS = effect == "leftMarquee" ? conBox.css("left").replace("px", "") : conBox.css("top").replace("px", "");
                        var slideT = effect == "leftMarquee" ? slideW : slideH;
                        var mNum = cloneNum;
                        if (curS % slideT != 0) {
                            var curP = Math.abs(curS / slideT ^ 0);
                            if (index == 1) {
                                mNum = cloneNum + curP
                            } else {
                                mNum = cloneNum + curP - 1
                            }
                        }
                        changeImg(mNum);
                        break;
                }
            }//doSwitchLoad end


            //效果函数
            var doPlay = function (init) {
                // 当前页状态不触发效果
                if (defaultPlay && oldIndex == index && !init && !isMarq) return;

                //处理页码
                if (isMarq) {
                    if (index >= 1) {
                        index = 1;
                    } else if (index <= 0) {
                        index = 0;
                    }
                }
                else {
                    _ind = index;
                    if (index >= navObjSize) {
                        index = 0;
                    } else if (index < 0) {
                        index = navObjSize - 1;
                    }
                }

                doStartFun();

                //处理切换加载
                if (sLoad != null) {
                    doSwitchLoad(conBox.children())
                }

                //处理targetCell
                if (tarObj[0]) {
                    _tar = tarObj.eq(index);
                    if (sLoad != null) {
                        doSwitchLoad(tarObj)
                    }
                    if (effect == "slideDown") {
                        tarObj.not(_tar).stop(true, true).slideUp(delayTime);
                        _tar.slideDown(delayTime, easing, function () {
                            if (!conBox[0]) doEndFun()
                        });
                    }
                    else {
                        tarObj.not(_tar).stop(true, true).hide();
                        _tar.animate({opacity: "show"}, delayTime, function () {
                            if (!conBox[0]) doEndFun()
                        });
                    }
                }

                if (conBoxSize >= vis) { //当内容个数少于可视个数，不执行效果。
                    switch (effect) {
                        case "fade":
                            conBox.children().stop(true, true).eq(index).animate({opacity: "show"}, delayTime, easing, function () {
                                doEndFun()
                            }).siblings().hide();
                            break;
                        case "fold":
                            conBox.children().stop(true, true).eq(index).animate({opacity: "show"}, delayTime, easing, function () {
                                doEndFun()
                            }).siblings().animate({opacity: "hide"}, delayTime, easing);
                            break;
                        case "top":
                            conBox.stop(true, false).animate({"top": -index * scroll * slideH}, delayTime, easing, function () {
                                doEndFun()
                            });
                            break;
                        case "left":
                            conBox.stop(true, false).animate({"left": -index * scroll * slideW}, delayTime, easing, function () {
                                doEndFun()
                            });
                            break;
                        case "leftLoop":
                            var __ind = _ind;
                            conBox.stop(true, true).animate({"left": -(scrollNum(_ind) + cloneNum) * slideW}, delayTime, easing, function () {
                                if (__ind <= -1) {
                                    conBox.css("left", -(cloneNum + (navObjSize - 1) * scroll) * slideW);
                                } else if (__ind >= navObjSize) {
                                    conBox.css("left", -cloneNum * slideW);
                                }
                                doEndFun();
                            });
                            break;//leftLoop end

                        case "topLoop":
                            var __ind = _ind;
                            conBox.stop(true, true).animate({"top": -(scrollNum(_ind) + cloneNum) * slideH}, delayTime, easing, function () {
                                if (__ind <= -1) {
                                    conBox.css("top", -(cloneNum + (navObjSize - 1) * scroll) * slideH);
                                } else if (__ind >= navObjSize) {
                                    conBox.css("top", -cloneNum * slideH);
                                }
                                doEndFun();
                            });
                            break;//topLoop end

                        case "leftMarquee":
                            var tempLeft = conBox.css("left").replace("px", "");
                            if (index == 0) {
                                conBox.animate({"left": ++tempLeft}, 0, function () {
                                    if (conBox.css("left").replace("px", "") >= 0) {
                                        conBox.css("left", -conBoxSize * slideW)
                                    }
                                });
                            }
                            else {
                                conBox.animate({"left": --tempLeft}, 0, function () {
                                    if (conBox.css("left").replace("px", "") <= -(conBoxSize + cloneNum) * slideW) {
                                        conBox.css("left", -cloneNum * slideW)
                                    }
                                });
                            }
                            break;// leftMarquee end

                        case "topMarquee":
                            var tempTop = conBox.css("top").replace("px", "");
                            if (index == 0) {
                                conBox.animate({"top": ++tempTop}, 0, function () {
                                    if (conBox.css("top").replace("px", "") >= 0) {
                                        conBox.css("top", -conBoxSize * slideH)
                                    }
                                });
                            }
                            else {
                                conBox.animate({"top": --tempTop}, 0, function () {
                                    if (conBox.css("top").replace("px", "") <= -(conBoxSize + cloneNum) * slideH) {
                                        conBox.css("top", -cloneNum * slideH)
                                    }
                                });
                            }
                            break;// topMarquee end

                    }//switch end
                }

                navObj.removeClass(titOn).eq(index).addClass(titOn);
                oldIndex = index;
                if (!pnLoop) { //pnLoop控制前后按钮是否继续循环
                    nextBtn.removeClass("nextStop");
                    prevBtn.removeClass("prevStop");
                    if (index == 0) {
                        prevBtn.addClass("prevStop");
                    }
                    if (index == navObjSize - 1) {
                        nextBtn.addClass("nextStop");
                    }
                }

                pageState.html("<span>" + (index + 1) + "</span>/" + navObjSize);

            };// doPlay end

            //初始化执行
            if (defaultPlay) {
                doPlay(true);
            }

            if (returnDefault)//返回默认状态
            {
                slider.hover(function () {
                    clearTimeout(rtnST)
                }, function () {
                    rtnST = setTimeout(function () {
                        index = defaultIndex;
                        if (defaultPlay) {
                            doPlay();
                        }
                        else {
                            if (effect == "slideDown") {
                                _tar.slideUp(delayTime, resetOn);
                            }
                            else {
                                _tar.animate({opacity: "hide"}, delayTime, resetOn);
                            }
                        }
                        oldIndex = index;
                    }, 300);
                });
            }

            ///自动播放函数
            var setInter = function (time) {
                inter = setInterval(function () {
                    opp ? index-- : index++;
                    doPlay()
                }, !!time ? time : interTime);
            }
            var setMarInter = function (time) {
                inter = setInterval(doPlay, !!time ? time : interTime);
            }
            // 处理mouseOverStop
            var resetInter = function () {
                if (!mouseOverStop) {
                    clearInterval(inter);
                    setInter()
                }
            }
            // 前后按钮触发
            var nextTrigger = function () {
                if (pnLoop || index != navObjSize - 1) {
                    index++;
                    doPlay();
                    if (!isMarq)resetInter();
                }
            }
            var prevTrigger = function () {
                if (pnLoop || index != 0) {
                    index--;
                    doPlay();
                    if (!isMarq)resetInter();
                }
            }
            //处理playState
            var playStateFun = function () {
                clearInterval(inter);
                isMarq ? setMarInter() : setInter();
                playState.removeClass("pauseState")
            }
            var pauseStateFun = function () {
                clearInterval(inter);
                playState.addClass("pauseState");
            }

            //自动播放
            if (autoPlay) {
                if (isMarq) {
                    opp ? index-- : index++;
                    setMarInter();
                    if (mouseOverStop) conBox.hover(pauseStateFun, playStateFun);
                } else {
                    setInter();
                    if (mouseOverStop) slider.hover(pauseStateFun, playStateFun);
                }
            }
            else {
                if (isMarq) {
                    opp ? index-- : index++;
                }
                playState.addClass("pauseState");
            }

            playState.click(function () {
                playState.hasClass("pauseState") ? playStateFun() : pauseStateFun()
            });

            //titCell事件
            if (opts.trigger == "mouseover") {
                navObj.hover(function () {
                    var hoverInd = navObj.index(this);
                    mst = setTimeout(function () {
                        index = hoverInd;
                        doPlay();
                        resetInter();
                    }, opts.triggerTime);
                }, function () {
                    clearTimeout(mst)
                });
            } else {
                navObj.click(function () {
                    index = navObj.index(this);
                    doPlay();
                    resetInter();
                })
            }

            //前后按钮事件
            if (isMarq) {

                nextBtn.mousedown(nextTrigger);
                prevBtn.mousedown(prevTrigger);
                //前后按钮长按10倍加速
                if (pnLoop) {
                    var st;
                    var marDown = function () {
                        st = setTimeout(function () {
                            clearInterval(inter);
                            setMarInter(interTime / 10 ^ 0)
                        }, 150)
                    }
                    var marUp = function () {
                        clearTimeout(st);
                        clearInterval(inter);
                        setMarInter()
                    }
                    nextBtn.mousedown(marDown);
                    nextBtn.mouseup(marUp);
                    prevBtn.mousedown(marDown);
                    prevBtn.mouseup(marUp);
                }
                //前后按钮mouseover事件
                if (opts.trigger == "mouseover") {
                    nextBtn.hover(nextTrigger, function () {
                    });
                    prevBtn.hover(prevTrigger, function () {
                    });
                }
            } else {
                nextBtn.click(nextTrigger);
                prevBtn.click(prevTrigger);
            }

        });//each End

    };//slide End

})(jQuery);

jQuery.easing['jswing'] = jQuery.easing['swing'];
jQuery.extend(jQuery.easing,
    {
        def: 'easeOutQuad',
        swing: function (x, t, b, c, d) {
            return jQuery.easing[jQuery.easing.def](x, t, b, c, d);
        },
        easeInQuad: function (x, t, b, c, d) {
            return c * (t /= d) * t + b;
        },
        easeOutQuad: function (x, t, b, c, d) {
            return -c * (t /= d) * (t - 2) + b
        },
        easeInOutQuad: function (x, t, b, c, d) {
            if ((t /= d / 2) < 1) return c / 2 * t * t + b;
            return -c / 2 * ((--t) * (t - 2) - 1) + b
        },
        easeInCubic: function (x, t, b, c, d) {
            return c * (t /= d) * t * t + b
        },
        easeOutCubic: function (x, t, b, c, d) {
            return c * ((t = t / d - 1) * t * t + 1) + b
        },
        easeInOutCubic: function (x, t, b, c, d) {
            if ((t /= d / 2) < 1) return c / 2 * t * t * t + b;
            return c / 2 * ((t -= 2) * t * t + 2) + b
        },
        easeInQuart: function (x, t, b, c, d) {
            return c * (t /= d) * t * t * t + b
        },
        easeOutQuart: function (x, t, b, c, d) {
            return -c * ((t = t / d - 1) * t * t * t - 1) + b
        },
        easeInOutQuart: function (x, t, b, c, d) {
            if ((t /= d / 2) < 1) return c / 2 * t * t * t * t + b;
            return -c / 2 * ((t -= 2) * t * t * t - 2) + b
        },
        easeInQuint: function (x, t, b, c, d) {
            return c * (t /= d) * t * t * t * t + b
        },
        easeOutQuint: function (x, t, b, c, d) {
            return c * ((t = t / d - 1) * t * t * t * t + 1) + b
        },
        easeInOutQuint: function (x, t, b, c, d) {
            if ((t /= d / 2) < 1) return c / 2 * t * t * t * t * t + b;
            return c / 2 * ((t -= 2) * t * t * t * t + 2) + b
        },
        easeInSine: function (x, t, b, c, d) {
            return -c * Math.cos(t / d * (Math.PI / 2)) + c + b
        },
        easeOutSine: function (x, t, b, c, d) {
            return c * Math.sin(t / d * (Math.PI / 2)) + b
        },
        easeInOutSine: function (x, t, b, c, d) {
            return -c / 2 * (Math.cos(Math.PI * t / d) - 1) + b
        },
        easeInExpo: function (x, t, b, c, d) {
            return (t == 0) ? b : c * Math.pow(2, 10 * (t / d - 1)) + b
        },
        easeOutExpo: function (x, t, b, c, d) {
            return (t == d) ? b + c : c * (-Math.pow(2, -10 * t / d) + 1) + b
        },
        easeInOutExpo: function (x, t, b, c, d) {
            if (t == 0) return b;
            if (t == d) return b + c;
            if ((t /= d / 2) < 1) return c / 2 * Math.pow(2, 10 * (t - 1)) + b;
            return c / 2 * (-Math.pow(2, -10 * --t) + 2) + b
        },
        easeInCirc: function (x, t, b, c, d) {
            return -c * (Math.sqrt(1 - (t /= d) * t) - 1) + b
        },
        easeOutCirc: function (x, t, b, c, d) {
            return c * Math.sqrt(1 - (t = t / d - 1) * t) + b
        },
        easeInOutCirc: function (x, t, b, c, d) {
            if ((t /= d / 2) < 1) return -c / 2 * (Math.sqrt(1 - t * t) - 1) + b;
            return c / 2 * (Math.sqrt(1 - (t -= 2) * t) + 1) + b
        },
        easeInElastic: function (x, t, b, c, d) {
            var s = 1.70158;
            var p = 0;
            var a = c;
            if (t == 0) return b;
            if ((t /= d) == 1) return b + c;
            if (!p) p = d * .3;
            if (a < Math.abs(c)) {
                a = c;
                var s = p / 4;
            }
            else var s = p / (2 * Math.PI) * Math.asin(c / a);
            return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p)) + b
        },
        easeOutElastic: function (x, t, b, c, d) {
            var s = 1.70158;
            var p = 0;
            var a = c;
            if (t == 0) return b;
            if ((t /= d) == 1) return b + c;
            if (!p) p = d * .3;
            if (a < Math.abs(c)) {
                a = c;
                var s = p / 4;
            }
            else var s = p / (2 * Math.PI) * Math.asin(c / a);
            return a * Math.pow(2, -10 * t) * Math.sin((t * d - s) * (2 * Math.PI) / p) + c + b
        },
        easeInOutElastic: function (x, t, b, c, d) {
            var s = 1.70158;
            var p = 0;
            var a = c;
            if (t == 0) return b;
            if ((t /= d / 2) == 2) return b + c;
            if (!p) p = d * (.3 * 1.5);
            if (a < Math.abs(c)) {
                a = c;
                var s = p / 4;
            }
            else var s = p / (2 * Math.PI) * Math.asin(c / a);
            if (t < 1) return -.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p)) + b;
            return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p) * .5 + c + b
        },
        easeInBack: function (x, t, b, c, d, s) {
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            return c * (t /= d) * t * ((s + 1) * t - s) + b
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        easeOutBack: function (x, t, b, c, d, s) {
            if (s == undefined) s = 1.70158;
            return c * ((t = t / d - 1) * t * ((s + 1) * t + s) + 1) + b
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        easeInOutBack: function (x, t, b, c, d, s) {
            if (s == undefined) s = 1.70158;
            if ((t /= d / 2) < 1) return c / 2 * (t * t * (((s *= (1.525)) + 1) * t - s)) + b;
            return c / 2 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2) + b
        },
        easeInBounce: function (x, t, b, c, d) {
            return c - jQuery.easing.easeOutBounce(x, d - t, 0, c, d) + b
        },
        easeOutBounce: function (x, t, b, c, d) {
            if ((t /= d) < (1 / 2.75)) {
                return c * (7.5625 * t * t) + b;
            } else if (t < (2 / 2.75)) {
                return c * (7.5625 * (t -= (1.5 / 2.75)) * t + .75) + b;
            } else if (t < (2.5 / 2.75)) {
                return c * (7.5625 * (t -= (2.25 / 2.75)) * t + .9375) + b;
            } else {
                return c * (7.5625 * (t -= (2.625 / 2.75)) * t + .984375) + b;
            }
        },
        easeInOutBounce: function (x, t, b, c, d) {
            if (t < d / 2) return jQuery.easing.easeInBounce(x, t * 2, 0, c, d) * .5 + b;
            return jQuery.easing.easeOutBounce(x, t * 2 - d, 0, c, d) * .5 + c * .5 + b;
        }
    });